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Least Common Denominator

Authored by Marianne Lounsberry

Mathematics

4th - 6th Grade

CCSS covered

Used 10K+ times

Least Common Denominator
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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the least common denominator of 1/9 and 2/3?

6
3
9
21

Tags

CCSS.4.NF.A.2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of these numbers could NOT be a common denominator for these two fractions?
2/4   and   3/8

32
12
8
24

Tags

CCSS.4.NF.A.2

CCSS.4.OA.B.4

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the lowest common denominator of these fractions: 2/7 and 2/21

7

21

18

147

Tags

CCSS.4.NF.A.2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the least common denominator of 1/5 and 2/10.

10

5

50

15

Tags

CCSS.4.NF.A.2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the least common denominator of 1/6 and 5/12.

18

12

6

1

Tags

CCSS.4.NF.A.2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the least common denominator of 3/4 and 3/8.

3

4

8

12

Tags

CCSS.4.NF.A.2

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of these numbers could NOT be a common denominator for 1/6 and 5/18?

6

18

36

108

Tags

CCSS.4.NF.A.2

CCSS.4.OA.B.4

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